MAHLE 51462.030 Engine Piston Ring Set - 0.030 in. Oversize

The MAHLE 51462.030 Engine Piston Ring Set is a premium OE-quality replacement ring set engineered to restore proper compression, minimize oil consumption, and extend engine service life. The .030 inch oversize sizing makes this set ideal for engines that have been bored or honed to 0.030 in. over the standard bore diameter.

Key Features:

• OE Form, Fit & Function: Designed to match original equipment specifications for a precise, reliable fit
• Upper Compression Ring (UCR): Cast iron or ductile cast iron construction with a positive twist and barrel face profile for fast, efficient break-in
• Second Compression Ring (LCR): SAE 9254 high-alloy steel Napier-style design provides superior combustion gas management, top ring stability, and reduced oil consumption
• Oil Control Ring (OCR) – CP-20: Features MAHLE's exclusive 20-degree ear angle for optimal side sealing in the piston oil ring groove, plus a chemically polished expander for enhanced oil drain-back
• Ring Type: UCR: RF-10 | LCR: THM-13 | OCR: CP-20
• Size: 0.030 in. oversize
• Material: Cast iron / ductile cast iron compression rings; stainless steel oil control rails
• Optimized Tension: Ring tension and coatings are application-specific to reduce friction and promote longer service life

MAHLE is one of the largest OE piston ring manufacturers in the world, supplying rings to major engine builders globally. Each ring set is engineered to meet or exceed original equipment standards, making the 51462.030 a trusted choice for engine rebuilders seeking professional-grade results.